854163-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854163-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,1,6 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 854163-18:
(8*8)+(7*5)+(6*4)+(5*1)+(4*6)+(3*3)+(2*1)+(1*8)=171
171 % 10 = 1
So 854163-18-1 is a valid CAS Registry Number.